1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <gtest/gtest.h>
18 
19 #include <input/DisplayViewport.h>
20 #include <input/TouchVideoFrame.h>
21 
22 namespace android {
23 namespace test {
24 
25 static const struct timeval TIMESTAMP = {1, 2};
26 
TEST(TouchVideoFrame,Constructor)27 TEST(TouchVideoFrame, Constructor) {
28     const std::vector<int16_t> data = {1, 2, 3, 4, 5, 6};
29     constexpr uint32_t height = 3;
30     constexpr uint32_t width = 2;
31 
32     TouchVideoFrame frame(height, width, data, TIMESTAMP);
33 
34     ASSERT_EQ(data, frame.getData());
35     ASSERT_EQ(height, frame.getHeight());
36     ASSERT_EQ(width, frame.getWidth());
37     ASSERT_EQ(TIMESTAMP.tv_sec, frame.getTimestamp().tv_sec);
38     ASSERT_EQ(TIMESTAMP.tv_usec, frame.getTimestamp().tv_usec);
39 }
40 
TEST(TouchVideoFrame,Equality)41 TEST(TouchVideoFrame, Equality) {
42     const std::vector<int16_t> data = {1, 2, 3, 4, 5, 6};
43     constexpr uint32_t height = 3;
44     constexpr uint32_t width = 2;
45     TouchVideoFrame frame(height, width, data, TIMESTAMP);
46 
47     TouchVideoFrame identicalFrame(height, width, data, TIMESTAMP);
48     ASSERT_EQ(frame, identicalFrame);
49 
50     // The two cases below create an invalid frame, but it is OK for comparison purposes.
51     // There aren't any checks currently enforced on the frame dimensions and data
52     // Change height
53     TouchVideoFrame changedHeightFrame(height + 1, width, data, TIMESTAMP);
54     ASSERT_FALSE(frame == changedHeightFrame);
55 
56     // Change width
57     TouchVideoFrame changedWidthFrame(height, width + 1, data, TIMESTAMP);
58     ASSERT_FALSE(frame == changedWidthFrame);
59 
60     // Change data
61     const std::vector<int16_t> differentData = {1, 2, 3, 3, 5, 6};
62     TouchVideoFrame changedDataFrame(height, width, differentData, TIMESTAMP);
63     ASSERT_FALSE(frame == changedDataFrame);
64 
65     // Change timestamp
66     const struct timeval differentTimestamp = {TIMESTAMP.tv_sec + 1, TIMESTAMP.tv_usec + 1};
67     TouchVideoFrame changedTimestampFrame(height, width, data, differentTimestamp);
68     ASSERT_FALSE(frame == changedTimestampFrame);
69 }
70 
71 // --- Rotate 90 degrees ---
72 
TEST(TouchVideoFrame,Rotate90_0x0)73 TEST(TouchVideoFrame, Rotate90_0x0) {
74     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
75     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
76     frame.rotate(ui::ROTATION_90);
77     ASSERT_EQ(frame, frameRotated);
78 }
79 
TEST(TouchVideoFrame,Rotate90_1x1)80 TEST(TouchVideoFrame, Rotate90_1x1) {
81     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
82     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
83     frame.rotate(ui::ROTATION_90);
84     ASSERT_EQ(frame, frameRotated);
85 }
86 
TEST(TouchVideoFrame,Rotate90_2x2)87 TEST(TouchVideoFrame, Rotate90_2x2) {
88     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
89     TouchVideoFrame frameRotated(2, 2, {2, 4, 1, 3}, TIMESTAMP);
90     frame.rotate(ui::ROTATION_90);
91     ASSERT_EQ(frame, frameRotated);
92 }
93 
TEST(TouchVideoFrame,Rotate90_3x2)94 TEST(TouchVideoFrame, Rotate90_3x2) {
95     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
96     TouchVideoFrame frameRotated(2, 3, {2, 4, 6, 1, 3, 5}, TIMESTAMP);
97     frame.rotate(ui::ROTATION_90);
98     ASSERT_EQ(frame, frameRotated);
99 }
100 
TEST(TouchVideoFrame,Rotate90_3x2_4times)101 TEST(TouchVideoFrame, Rotate90_3x2_4times) {
102     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
103     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
104     frame.rotate(ui::ROTATION_90);
105     frame.rotate(ui::ROTATION_90);
106     frame.rotate(ui::ROTATION_90);
107     frame.rotate(ui::ROTATION_90);
108     ASSERT_EQ(frame, frameOriginal);
109 }
110 
111 // --- Rotate 180 degrees ---
112 
TEST(TouchVideoFrame,Rotate180_0x0)113 TEST(TouchVideoFrame, Rotate180_0x0) {
114     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
115     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
116     frame.rotate(ui::ROTATION_180);
117     ASSERT_EQ(frame, frameRotated);
118 }
119 
TEST(TouchVideoFrame,Rotate180_1x1)120 TEST(TouchVideoFrame, Rotate180_1x1) {
121     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
122     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
123     frame.rotate(ui::ROTATION_180);
124     ASSERT_EQ(frame, frameRotated);
125 }
126 
TEST(TouchVideoFrame,Rotate180_2x2)127 TEST(TouchVideoFrame, Rotate180_2x2) {
128     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
129     TouchVideoFrame frameRotated(2, 2, {4, 3, 2, 1}, TIMESTAMP);
130     frame.rotate(ui::ROTATION_180);
131     ASSERT_EQ(frame, frameRotated);
132 }
133 
TEST(TouchVideoFrame,Rotate180_3x2)134 TEST(TouchVideoFrame, Rotate180_3x2) {
135     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
136     TouchVideoFrame frameRotated(3, 2, {6, 5, 4, 3, 2, 1}, TIMESTAMP);
137     frame.rotate(ui::ROTATION_180);
138     ASSERT_EQ(frame, frameRotated);
139 }
140 
TEST(TouchVideoFrame,Rotate180_3x2_2times)141 TEST(TouchVideoFrame, Rotate180_3x2_2times) {
142     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
143     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
144     frame.rotate(ui::ROTATION_180);
145     frame.rotate(ui::ROTATION_180);
146     ASSERT_EQ(frame, frameOriginal);
147 }
148 
TEST(TouchVideoFrame,Rotate180_3x3)149 TEST(TouchVideoFrame, Rotate180_3x3) {
150     TouchVideoFrame frame(3, 3, {1, 2, 3, 4, 5, 6, 7, 8, 9}, TIMESTAMP);
151     TouchVideoFrame frameRotated(3, 3, {9, 8, 7, 6, 5, 4, 3, 2, 1}, TIMESTAMP);
152     frame.rotate(ui::ROTATION_180);
153     ASSERT_EQ(frame, frameRotated);
154 }
155 
156 // --- Rotate 270 degrees ---
157 
TEST(TouchVideoFrame,Rotate270_0x0)158 TEST(TouchVideoFrame, Rotate270_0x0) {
159     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
160     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
161     frame.rotate(ui::ROTATION_270);
162     ASSERT_EQ(frame, frameRotated);
163 }
164 
TEST(TouchVideoFrame,Rotate270_1x1)165 TEST(TouchVideoFrame, Rotate270_1x1) {
166     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
167     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
168     frame.rotate(ui::ROTATION_270);
169     ASSERT_EQ(frame, frameRotated);
170 }
171 
TEST(TouchVideoFrame,Rotate270_2x2)172 TEST(TouchVideoFrame, Rotate270_2x2) {
173     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
174     TouchVideoFrame frameRotated(2, 2, {3, 1, 4, 2}, TIMESTAMP);
175     frame.rotate(ui::ROTATION_270);
176     ASSERT_EQ(frame, frameRotated);
177 }
178 
TEST(TouchVideoFrame,Rotate270_3x2)179 TEST(TouchVideoFrame, Rotate270_3x2) {
180     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
181     TouchVideoFrame frameRotated(2, 3, {5, 3, 1, 6, 4, 2}, TIMESTAMP);
182     frame.rotate(ui::ROTATION_270);
183     ASSERT_EQ(frame, frameRotated);
184 }
185 
TEST(TouchVideoFrame,Rotate270_3x2_4times)186 TEST(TouchVideoFrame, Rotate270_3x2_4times) {
187     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
188     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
189     frame.rotate(ui::ROTATION_270);
190     frame.rotate(ui::ROTATION_270);
191     frame.rotate(ui::ROTATION_270);
192     frame.rotate(ui::ROTATION_270);
193     ASSERT_EQ(frame, frameOriginal);
194 }
195 
196 } // namespace test
197 } // namespace android
198